Home / 1,140,913.68-1,711,425.80-940,868.79

Finding the Fourth Proportional to 1,140,913.68, 1,711,425.80 and 940,868.79

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Solution

The fourth proportional to 1,140,913.68, 1,711,425.80 and 940,868.79 is: 1,411,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,913.68 : 1,711,425.80 = 940,868.79 : x
  2. Step 2: Convert to fraction form
    1,140,913.68/1,711,425.80 = 940,868.79/x
  3. Step 3: Cross multiply
    1,140,913.68x = 1,711,425.80 × 940,868.79
  4. Step 4: Simplify right side
    1,140,913.68x = 1,610,227,121,620.78
  5. Step 5: Solve for x
    x = 1,610,227,121,620.78/1,140,913.68
  6. Step 6: Final answer
    x = 1,411,348.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.